June 7, 2005

BMW’s Steyr plant to reduce water consumption by one-third

Munich, Germany – BMW has announced that starting in 2006, its Plant Steyr, the largest engine plant within the BMW Group, will introduce a new technology for the treatment of process water. The system will save approximately 30,000 cubic metres of water each year.

Components such as cylinder heads, crankcases, crankshafts and connecting rods are machined in different processes, using water for cooling and lubricating emulsions as well as washing and rinsing water. The two-stage effluent reconditioning process allows water to be recycled back into the production process.

The first stage was completed recently and the second stage, introducing the concept on a full-scale basis, will be operative in 2006. The plant builds two out of every three BMW engines made.

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